This snake is generally small in length. It is a cylindrical, stout bodied snake with a moderately short tail. General adult length is 0.35 m. It can grow to a maximum of at least 0.49 metres.
Head is depressed and slightly distinct from neck. Eyes are small in size with vertically elliptical pupils. Nostrils are small, valvular, crescent shaped and located anterodorsally. Dorsal scales are smooth. Ventrals are rounded without keels. It is found in freshwater lowland streams near coast, irrigation canals and rice paddies. Feeds mainly on fish, frogs and tadpoles.